add optional cli parameter --preserve-digests to skopeo copy command.

CHANGELOG.md

@@ -7,6 +7,7 @@
 ### Changed
 * Enhance SSDS Document Generation Performance using New Atlassian APIs ([#1084](https://github.com/opendevstack/ods-jenkins-shared-library/issues/1084))
 * Deprecation of vuln-type and scanners config in Trivy ([#1150](https://github.com/opendevstack/ods-jenkins-shared-library/issues/1150))
+* Add preserve-digests cli option to skopeo copy command in CopyImageStage ([#1166](https://github.com/opendevstack/ods-jenkins-shared-library/issues/1166))
 
 ### Fixed
 * Fix Tailor deployment drifts for D, Q envs ([#1055](https://github.com/opendevstack/ods-jenkins-shared-library/pull/1055))

docs/modules/jenkins-shared-library/partials/odsComponentStageCopyImage.adoc

@@ -27,6 +27,13 @@ _List<String>_
  Next to exact matches, it also supports prefixes (e.g. `feature/`) and all branches (`*`).
 
 
+| *preserveDigests* +
+_Boolean_
+|preserveDigests allows to sync the source and destination image digests
+
+ The default is false, set to true to preserve digests
+
+
 | *sourceCredential* +
 _String_
 |sourceCredential is the token to use, if any, to access the source registry

src/org/ods/component/CopyImageOptions.groovy

@@ -29,6 +29,13 @@ class CopyImageOptions extends Options {
      */
     Boolean verifyTLS
 
+    /**
+     * preserveDigests allows to sync the source and destination image digests
+     *
+     * The default is false, set to true to preserve digests
+     */
+    Boolean preserveDigests
+
     @SuppressWarnings('UnusedPrivateField')
     private String registry
     @SuppressWarnings('UnusedPrivateField')

src/org/ods/component/CopyImageStage.groovy

@@ -27,6 +27,10 @@ class CopyImageStage extends Stage {
             config.verifyTLS = true
         }
 
+        if (config.preserveDigests == null) {
+            config.preserveDigests = false
+        }
+
         this.options = new CopyImageOptions(config)
         this.openShift = openShift
         this.logger = logger
@@ -52,7 +56,10 @@ class CopyImageStage extends Stage {
 
         def sourcetoken = options.sourceCredential ? "--src-creds ${options.sourceCredential}" : ''
 
-        int status = copyImage(sourcetoken, targetInternalRegistryToken, STR_DOCKER_PROTOCOL)
+        def copyparams = ""
+        if (this.options.preserveDigests) { copyparams += "--all --preserve-digests" }
+
+        int status = copyImage(sourcetoken, targetInternalRegistryToken, STR_DOCKER_PROTOCOL, copyparams)
         if (status != 0) {
             script.error("Could not copy `${this.options.sourceImageUrlIncludingRegistry}', status ${status}")
         }
@@ -83,10 +90,11 @@ class CopyImageStage extends Stage {
         }
     }
 
-    private int copyImage(sourcetoken, targetInternalRegistryToken, String dockerProtocol) {
+    private int copyImage(sourcetoken, targetInternalRegistryToken, String dockerProtocol, String copyparams) {
         int status = steps.sh(
             script: """
-                skopeo copy --src-tls-verify=${this.options.verifyTLS} ${sourcetoken} \
+                skopeo copy ${copyparams} \
+                --src-tls-verify=${this.options.verifyTLS} ${sourcetoken} \
                 ${this.options.registry}/${this.options.repo}/${this.options.image} \
                 --dest-creds openshift:${targetInternalRegistryToken} \
                 ${dockerProtocol}${context.clusterRegistryAddress}/${context.cdProject}/${this.options.image} \

test/groovy/vars/OdsComponentStageCopyImageSpec.groovy

@@ -19,6 +19,7 @@ class OdsComponentStageCopyImageSpec extends PipelineSpockTestBase {
         def cfg = [
             sourceImageUrlIncludingRegistry: sourceImageUrlIncludingRegistry,
             verifyTLS                      : verifyTLS,
+            preserveDigests                : preserveDigests,
             tagIntoTargetEnv               : tagIntoTargetEnv,
         ]
         def ctxCfg = [
@@ -51,7 +52,8 @@ class OdsComponentStageCopyImageSpec extends PipelineSpockTestBase {
         assertCallStackContains("Resolved source Image data: ${sourceImageUrlIncludingRegistry}")
         assertCallStackContains("importing into: docker://internal-registry/project-cd/${imageName}:${imageTag}")
         // FIXME: this should probably verify that the steps.sh is called with the correct string rather than checking the full callstack
-        assertCallStackContains("skopeo copy --src-tls-verify=${expectedVerifyTLS}                  docker://${sourceImageUrlIncludingRegistry}                 --dest-creds openshift:secret-token                 docker://internal-registry/project-cd/image:1f3d1                 --dest-tls-verify=${expectedVerifyTLS}")
+        assertCallStackContains("skopeo copy ${expectedCopyParams}")
+        assertCallStackContains("--src-tls-verify=${expectedVerifyTLS}                  docker://${sourceImageUrlIncludingRegistry}                 --dest-creds openshift:secret-token                 docker://internal-registry/project-cd/image:1f3d1                 --dest-tls-verify=${expectedVerifyTLS}")
         if (tagIntoTargetEnv) {
             1 * openShiftService.importImageTagFromProject('project-dev', imageName, 'project-cd', imageTag, imageTag)
             1 * openShiftService.findOrCreateImageStream('project-dev', imageName)
@@ -60,13 +62,13 @@ class OdsComponentStageCopyImageSpec extends PipelineSpockTestBase {
         assertJobStatusSuccess()
 
         where:
-        registry      || repo   || imageName || imageTag || verifyTLS || expectedVerifyTLS || tagIntoTargetEnv
-        'example.com' || 'repo' || 'image'   || '1f3d1'  || true      || true              || true
-        'example.com' || 'repo' || 'image'   || '1f3d1'  || true      || true              || false
-        'example.com' || 'repo' || 'image'   || '1f3d1'  || false     || false             || true
-        'example.com' || 'repo' || 'image'   || '1f3d1'  || false     || false             || false
-        'example.com' || 'repo' || 'image'   || '1f3d1'  || null      || true              || true
-        'example.com' || 'repo' || 'image'   || '1f3d1'  || null      || true              || false
+        registry      || repo   || imageName || imageTag || preserveDigests || expectedCopyParams          || verifyTLS || expectedVerifyTLS || tagIntoTargetEnv
+        'example.com' || 'repo' || 'image'   || '1f3d1'  || true            || '--all --preserve-digests ' || true      || true              || true
+        'example.com' || 'repo' || 'image'   || '1f3d1'  || true            || '--all --preserve-digests ' || true      || true              || false
+        'example.com' || 'repo' || 'image'   || '1f3d1'  || false           || ''                          || false     || false             || true
+        'example.com' || 'repo' || 'image'   || '1f3d1'  || false           || ''                          || false     || false             || false
+        'example.com' || 'repo' || 'image'   || '1f3d1'  || null            || ''                          || null      || true              || true
+        'example.com' || 'repo' || 'image'   || '1f3d1'  || null            || ''                          || null      || true              || false
 
     }
 }